Will you designate the flowers you wish?你能说出你想要的花 吗 ?There are efforts under way to designate the bridge a historic landmark.人们正在努力将这座桥定为历史遗迹。The - ase ending is used to designate enzymes.词尾--ase表示酶....
锂的某些化学行为类似于Mg的.Lithium has some chemical behavior that resembles the chemistry of Mg.氯化锂盐具有吸湿性的.The salt lithium chloride is hygroscopic.过氯酸肼和过氯酸锂形成两种低共熔物.Hydrazine perchlorate and lithium perchlorate form two eutectics....